The Law Of The Yama

zuo hui is an introverted high school student from a poor family. one day, when secretly working a part time job outside, he is caught by his mother. after the two have a heated dispute, zuo hui angrily turns away and leaves. distracted by thoughts of guilt and regret, he loses footing and falls down a rain-flooded sewer hole. when zuo hui awakes he finds himself in a sealed room surrounded by a group of diverse strangers and with a rope around his neck. the more he struggles to take off the rope, the tighter it becomes. where is this? who are you people? and who exactly is that self-proclaimed “yama”?